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Data Engineer AI Java/Python/Spark

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Hybrid

Data Engineer AI Java/Python/Spark

Infotree Global Solutions

Data Engineer AI Java/Python/Spark

Skills

Google Cloud PlatformData EngineeringDockerPythonJavaKafkaSnowflakeDatabricksMachine LearningAIAWSKubernetesAzure

2 months ago

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Important information


Contract type:

Permanent

Location:

Warsaw, Poland

Work mode:

Hybrid

Published on:

12 August 2026

What they need


Role Overview:

We are looking for a Senior/Lead Data & GenAI Engineer to design, build and maintain scalable, production-grade data and AI platforms.

The role combines software engineering, distributed data processing, cloud-native technologies and Generative AI. You will work across teams, drive technical initiatives and build reusable libraries and frameworks that enable reliable, scalable and testable systems.

Key Responsibilities:

  • Develop, test and maintain high-quality, production-ready software.
  • Design and implement large-scale data pipelines and distributed processing systems.
  • Build scalable cloud-native services and platforms using modern engineering practices.
  • Provide technical leadership for cross-team initiatives and complex engineering projects.
  • Design and develop reusable libraries, frameworks and platform components.
  • Optimize distributed data processing workloads for performance, scalability and reliability.
  • Work with data platforms including Databricks, Apache Spark and Snowflake.
  • Develop and deploy applications using Python and/or Java.
  • Build and operate containerized workloads using Kubernetes and cloud-native technologies.
  • Design and implement GenAI/LLM-based applications and services.
  • Work with frameworks such as LangChain and LangGraph for LLM orchestration and agentic workflows.
  • Collaborate with data scientists, software engineers, architects and product teams.
  • Establish engineering best practices around testing, observability, reliability and deployment.

Required Experience:

  • 5+ years of professional software/data engineering experience.
  • Strong hands-on experience with Python and/or Java.
  • Strong experience with Apache Spark and distributed data processing.
  • Experience with Databricks and/or modern lakehouse platforms.
  • Experience with Snowflake or comparable cloud data warehouses.
  • Practical experience with Kubernetes and cloud-native technologies.
  • Experience designing and maintaining large-scale data pipelines.
  • Strong understanding of distributed systems, scalability and production engineering.
  • Experience developing ML/AI or GenAI applications.
  • Experience with LLM-based applications, RAG, AI agents or LLM orchestration.
  • Familiarity with LangChain, LangGraph or similar GenAI frameworks.
  • Strong software engineering fundamentals including testing, code quality and system design.

Nice to Have:

  • Experience with AWS, Azure or GCP.
  • Experience with streaming technologies such as Kafka.
  • Experience with Delta Lake / Lakehouse architecture.
  • Experience building RAG pipelines and vector-search solutions.
  • Experience with LLM evaluation, observability and productionization.
  • Experience with AI agents, tool calling and multi-step workflows.
  • Experience building internal developer platforms, frameworks or reusable engineering libraries.
  • Experience leading cross-functional or cross-team technical initiatives.

Ideal Candidate Profile:

The strongest candidate is not purely a Data Engineer and not purely an ML Engineer.

We are looking for someone who combines:

Software Engineering + Data Engineering + Cloud/Platform Engineering + GenAI

Typical backgrounds may include:

  • Senior Data Engineer
  • Lead Data Engineer
  • Senior Software Engineer – Data
  • Data Platform Engineer
  • Senior Cloud Data Engineer
  • AI/ML Platform Engineer
  • Senior ML Engineer with strong data engineering experience
  • GenAI Engineer with strong distributed-data/platform experience
  • Data & AI Architect / Technical Lead

Core Technology Stack:

Languages: Python, Java

Data: Apache Spark, Databricks, Snowflake, Delta Lake

Cloud/Platform: Kubernetes, Docker, AWS/Azure/GCP, cloud-native technologies

GenAI/ML: LLMs, RAG, LangChain, LangGraph, AI agents, vector search

Engineering: Distributed systems, APIs, CI/CD, automated testing, observability, scalability

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